BA Systems—Petershvilevej 1—DK-3200 Helsinge—http://www.basystems.dk
47
BAS 918S/929S
Manual
Scheme 4, modbus parameter list continued:
Description
Holding
Register
fcn 3/6
scale
x10
fcn 3/6
scale
x1
Input
Register
fcn 4
scale
x10
fcn 4
scale
x1
Data format
16 bit
signed
integer
16 bit
signed
integer
16 bit
signed
integer
16 bit
signed
integer
Hot Water Tank/control
Daytime setpoint
21
x
Nighttime setpoint
22
x
Return limiter maximum temperature
23
x
Legionalla process (0:Off, 1:Sunday, 2:Monday .......
7:Saturday, 8:All days
24
x
Return limiter forced set point
11
x
Pump state (0:Off, 1:On)
12
x
Status (0:Stop, 1:Dag, 2:Nat, 3:Legionella)
13
x
Hot Water Tank/Values measured
Tank temperature
14
x
Return temperature (if selected)
15
x
Circulation temperature
16
x
Motor valve position in percent
17
x
Pump state (0:Off, 1:On)
18
x